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Finding the Fourth Proportional to 200,169.12, 300,272.31 and 73,804.26

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Solution

The fourth proportional to 200,169.12, 300,272.31 and 73,804.26 is: 110,713.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,169.12 : 300,272.31 = 73,804.26 : x
  2. Step 2: Convert to fraction form
    200,169.12/300,272.31 = 73,804.26/x
  3. Step 3: Cross multiply
    200,169.12x = 300,272.31 × 73,804.26
  4. Step 4: Simplify right side
    200,169.12x = 22,161,375,638.04
  5. Step 5: Solve for x
    x = 22,161,375,638.04/200,169.12
  6. Step 6: Final answer
    x = 110,713.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.